| 1 | // Test enumeration representation in debuig info metadata: |
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| 2 | // * test value representation for each possible underlying integer type |
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| 3 | // * test the integer type is as expected |
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| 4 | // * test the DW_AT_enum_class attribute is present (resp. absent) as expected. |
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| 5 | |
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| 6 | // RUN: %clang -target x86_64-linux -g -S -emit-llvm -o - %s | FileCheck %s |
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| 7 | |
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| 8 | |
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| 9 | enum class E0 : signed char { |
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| 10 | A0 = -128, |
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| 11 | B0 = 127, |
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| 12 | } x0; |
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| 13 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0" |
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| 14 | // CHECK-SAME: baseType: ![[SCHAR:[0-9]+]] |
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| 15 | // CHECK-SAME: DIFlagEnumClass |
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| 16 | // CHECK-SAME: elements: ![[ELTS0:[0-9]+]] |
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| 17 | // CHECK: ![[SCHAR]] = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) |
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| 18 | // CHECK: ![[ELTS0]] = !{![[A0:[0-9]+]], ![[B0:[0-9]+]]} |
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| 19 | // CHECK: ![[A0]] = !DIEnumerator(name: "A0", value: -128) |
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| 20 | // CHECK: ![[B0]] = !DIEnumerator(name: "B0", value: 127) |
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| 21 | |
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| 22 | enum class E1 : unsigned char { A1 = 255 } x1; |
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| 23 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1" |
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| 24 | // CHECK-SAME: baseType: ![[UCHAR:[0-9]+]] |
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| 25 | // CHECK-SAME: DIFlagEnumClass |
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| 26 | // CHECK-SAME: elements: ![[ELTS1:[0-9]+]] |
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| 27 | // CHECK: ![[UCHAR]] = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char) |
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| 28 | // CHECK: ![[ELTS1]] = !{![[A1:[0-9]+]]} |
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| 29 | // CHECK: ![[A1]] = !DIEnumerator(name: "A1", value: 255, isUnsigned: true) |
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| 30 | |
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| 31 | enum class E2 : signed short { |
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| 32 | A2 = -32768, |
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| 33 | B2 = 32767, |
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| 34 | } x2; |
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| 35 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2" |
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| 36 | // CHECK-SAME: baseType: ![[SHORT:[0-9]+]] |
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| 37 | // CHECK-SAME: DIFlagEnumClass |
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| 38 | // CHECK-SAME: elements: ![[ELTS2:[0-9]+]] |
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| 39 | // CHECK: ![[SHORT]] = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) |
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| 40 | // CHECK: ![[ELTS2]] = !{![[A2:[0-9]+]], ![[B2:[0-9]+]]} |
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| 41 | // CHECK: ![[A2]] = !DIEnumerator(name: "A2", value: -32768) |
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| 42 | // CHECK: ![[B2]] = !DIEnumerator(name: "B2", value: 32767) |
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| 43 | |
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| 44 | enum class E3 : unsigned short { A3 = 65535 } x3; |
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| 45 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3" |
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| 46 | // CHECK-SAME: baseType: ![[USHORT:[0-9]+]] |
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| 47 | // CHECK-SAME: DIFlagEnumClass |
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| 48 | // CHECK-SAME: elements: ![[ELTS3:[0-9]+]] |
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| 49 | // CHECK: ![[USHORT]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned) |
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| 50 | // CHECK: ![[ELTS3]] = !{![[A3:[0-9]+]]} |
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| 51 | // CHECK: ![[A3]] = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true) |
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| 52 | |
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| 53 | enum class E4 : signed int { A4 = -2147483648, B4 = 2147483647 } x4; |
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| 54 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4" |
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| 55 | // CHECK-SAME: baseType: ![[INT:[0-9]+]] |
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| 56 | // CHECK-SAME: DIFlagEnumClass |
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| 57 | // CHECK-SAME: elements: ![[ELTS4:[0-9]+]] |
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| 58 | // CHECK: ![[INT]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
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| 59 | // CHECK: ![[ELTS4]] = !{![[A4:[0-9]+]], ![[B4:[0-9]+]]} |
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| 60 | // CHECK: ![[A4]] = !DIEnumerator(name: "A4", value: -2147483648) |
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| 61 | // CHECK: ![[B4]] = !DIEnumerator(name: "B4", value: 2147483647) |
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| 62 | |
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| 63 | enum class E5 : unsigned int { A5 = 4294967295 } x5; |
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| 64 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5" |
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| 65 | // CHECK-SAME: baseType: ![[UINT:[0-9]+]] |
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| 66 | // CHECK-SAME: DIFlagEnumClass |
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| 67 | // CHECK-SAME: elements: ![[ELTS5:[0-9]+]] |
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| 68 | // CHECK: ![[UINT]] = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) |
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| 69 | // CHECK: ![[ELTS5]] = !{![[A5:[0-9]+]]} |
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| 70 | // CHECK: ![[A5]] = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true) |
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| 71 | |
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| 72 | enum class E6 : signed long long { |
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| 73 | A6 = -9223372036854775807LL - 1, |
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| 74 | B6 = 9223372036854775807LL |
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| 75 | } x6; |
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| 76 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6" |
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| 77 | // CHECK-SAME: baseType: ![[LONG:[0-9]+]] |
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| 78 | // CHECK-SAME: DIFlagEnumClass |
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| 79 | // CHECK-SAME: elements: ![[ELTS6:[0-9]+]] |
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| 80 | // CHECK: ![[LONG]] = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) |
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| 81 | // CHECK: ![[ELTS6]] = !{![[A6:[0-9]+]], ![[B6:[0-9]+]]} |
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| 82 | // CHECK: ![[A6]] = !DIEnumerator(name: "A6", value: -9223372036854775808) |
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| 83 | // CHECK: ![[B6]] = !DIEnumerator(name: "B6", value: 9223372036854775807) |
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| 84 | |
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| 85 | enum class E7 : unsigned long long { A7 = 18446744073709551615ULL } x7; |
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| 86 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7" |
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| 87 | // CHECK-SAME: baseType: ![[ULONG:[0-9]+]] |
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| 88 | // CHECK-SAME: DIFlagEnumClass |
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| 89 | // CHECK-SAME: elements: ![[ELTS7:[0-9]+]] |
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| 90 | // CHECK: ![[ULONG]] = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) |
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| 91 | // CHECK: ![[ELTS7]] = !{![[A7:[0-9]+]]} |
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| 92 | // CHECK: ![[A7]] = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true) |
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| 93 | |
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| 94 | // Also test the FixedEnum flag is not present for old-style enumerations. |
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| 95 | enum E8 { A8 = -128, B8 = 127 } x8; |
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| 96 | // CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8" |
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| 97 | // CHECK-SAME: baseType: ![[INT]] |
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| 98 | // CHECK-NOT: DIFlagEnumClass |
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| 99 | // CHECK: !DIEnumerator(name: "A8", value: -128) |
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| 100 | |
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| 101 | |
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